General purpose chlorinated rubber type product used as a primer on metal surfaces or as a tiecoat between different antifouling products. Can be used as a metal primer or as a tie coat. Recommended above and below the waterline. Compatible with all Pettit antifouling bottom paints as well as all single component topside paints. When used over Pettit 6455/044 metal primer it forms an excellent, easy to use system for use on all underwater running gear. Use Epoxy Thinner 97.